A handful of HN people have found me via the link so I don't know what is going on.

I'll ask LI to restart their computer.

"An exact match for alifay could not be found. The LinkedIn profile you’re looking for isn’t public or doesn’t exist."

Maybe only people who are connected to people already connected to you can find you, or the profile is private.

I disabled private mode now. That might explain the glitches of me not being found.